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Operator's manual
345FR 545FX 545FXT
545RX 545RXT
Please read the operator's manual carefully and make sure you understand the instructions
before using the machine.
E E E E n n n n g g g g l l l l i i i i s s s s h h h h

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   Also See for Husqvarna 345FR

   Summary of Contents for Husqvarna 345FR

  • Page 1

    Operator′s manual 345FR 545FX 545FXT 545RX 545RXT Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. E E E E n n n n g g g g l l l l i i i i s s s s h h h h...

  • Page 2: Key To Symbols

    KEY TO SYMBOLS Symbols Air purge WARNING! Clearing saws, brushcutters and trimmers can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. It is extremely Choke: Set the choke control in the important that you read and choke position.

  • Page 3: Table Of Contents

    CONTENTS Contents KEY TO SYMBOLS Symbols ..............2 CONTENTS Contents ............... 3 INTRODUCTION Dear Customer, ............ 4 WHAT IS WHAT? What is what on the brush cutter? ......5 GENERAL SAFETY PRECAUTIONS Measures to take before using new clearing saws, brushcutters or trimmers.

  • Page 4: Introduction

    Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Husqvarna River, for production of muskets.

  • Page 5: What Is What

    WHAT IS WHAT? 345FR, 545RX,RXT 545FX, FXT What is what on the brush cutter? Grass blade (345FR, 545RX, 545RXT) 19 Air purge Saw blade (345FR, 545FX, 545FXT) 20 Air filter cover Trimmer head (345FR, 545RX, 545RXT) 21 Choke control Bevel gear 22 Harness, quick release Grease filler cap, bevel gear...

  • Page 6: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Measures to take before using Important new clearing saws, brushcutters IMPORTANT! or trimmers. The clearing saw or grass trimmer is only designed for trimming grass, grass clearing and/or forestry clearing. • Please read this manual carefully. National or local regulations may regulate the use. •...

  • Page 7: Personal Protective Equipment

    GENERAL SAFETY PRECAUTIONS Personal protective equipment BOOTS Wear boots with steel toe-caps and non-slip sole. IMPORTANT! A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of this operator’s manual.

  • Page 8

    GENERAL SAFETY PRECAUTIONS Throttle trigger lockout The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B). When you release the handle the throttle control and the throttle lockout both move back to their original positions.

  • Page 9

    GENERAL SAFETY PRECAUTIONS Use of incorrectly wound cord or an incorrect cutting fitted with a catalytic converter is also designed to reduce attachment increases the level of vibration. See harmful exhaust gases. instructions under the heading Cutting equipment. The machine ′ s vibration damping system reduces the transfer of vibration between the engine unit/cutting equipment and the machine′s handle unit.

  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Cutting equipment WARNING! The inside of the muffler contain chemicals that may be This section describes how to choose and maintain your carcinogenic. Avoid contact with these cutting equipment in order to: elements in the event of a damaged •...

  • Page 11

    GENERAL SAFETY PRECAUTIONS Sharpening grass knifes and grass Shredder blades are intended for cutting coarse grass and bushes. blades • See the cutting attachment packaging for correct sharpening instructions. Sharpen blades and knifes using a single-cut flat file. A trimmer head is intended for trimming grass. •...

  • Page 12: Sharpening The Saw Blade

    GENERAL SAFETY PRECAUTIONS Sharpening the saw blade Trimmer head IMPORTANT! Always ensure the trimmer cord is wound tightly and • See the cutting attachment packaging for correct evenly around the drum, otherwise the machine will sharpening instructions. generate harmful vibration. A correctly sharpened blade is essential for working efficiently and to avoid unnecessary wear to the blade and •...

  • Page 13: Assembly

    ASSEMBLY Assembling the handlebar and Transport position, handlebar throttle • The handlebar can easily be turned to fit along the shaft for easier transportation and storage. CAUTION! Some models have the throttle handle fitted at • Loosen the knob. Turn the handlebar clockwise so that the factory.

  • Page 14: Fitting The Guard Extension

    ASSEMBLY Fitting the guard extension Fitting the blade guard/ combination guard, grass blade and grass cutter The guard extension shall always be fitted when using the trimmer head/plastic blades and combination guard. The guard extension shall always be removed when using the Hook the blade guard/combination guard (A) onto the grass blade and combination guard.

  • Page 15: Fitting The Blade Guard And Saw Blade

    Hold the shaft of the spanner as close to the blade guard as possible. To tighten the nut, turn the spanner in the opposite direction to the direction of rotation 345FR, 545RX, 545RXT (Caution! left-hand thread). • Fit the holder (R) and bracket (J) with 2 bolts (H) on the gear housing.

  • Page 16: Fitting Other Guards And Cutting Attachments

    Use the locking pin (C). Place the Balance X locking pin in the groove on the screw head and tighten. See diagram. (345FR, 545RX) Safety release Push down the red release lever to release the machine from the harness.

  • Page 17: Balance Xt

    ASSEMBLY Adjust the shoulder strap to distribute the load evenly Balance XT across your shoulders. Press downwards on the suspension hook to load the harness. (545FX, 545FXT, 545RXT) Adjust the height of the suspension hook as described in the instructions for the standard harness. (Forestry clearing) Safety release Push down the red release lever to release the machine...

  • Page 18

    ASSEMBLY Tighten the hip strap so that it sits securely. If you need to lower the suspension hook, for trimming for example, move the suspension strap (A) to the lower mounting point on the backplate. The front belt that is attached to the breast plate can also be adjusted if necessary.

  • Page 19: Fuel Handling

    Ensure the machine is cleaned and that a complete Two-stroke oil service is carried out before long-term storage. • For best results and performance use HUSQVARNA • The transport guard must always be fitted to the two-stroke engine oil, which is specially formulated for cutting attachment when the machine is being our air-cooled two-stroke engines.

  • Page 20: Fueling

    FUEL HANDLING Mixing Fueling • Always mix the petrol and oil in a clean container intended for fuel. • Always start by filling half the amount of the petrol to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture.

  • Page 21: Starting And Stopping

    STARTING AND STOPPING Check before starting • Never use the machine without a guard nor with a defective guard. • All covers must be correctly fitted and undamaged before you start the machine. Starting and stopping • Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole.

  • Page 22

    STARTING AND STOPPING Start throttle: (345FR, 545RX, 545RXT) CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully Set the throttle to the start position by first pressing the extended.

  • Page 23: Working Techniques

    WORKING TECHNIQUES General working instructions Take great care when cutting a tree that is in tension. A tree that is in tension may spring back to its normal position before or after being cut. If you position IMPORTANT! yourself incorrectly or make the cut in the wrong place This section describes the basic safety precautions for the tree may hit you or the machine and cause you to lose control.

  • Page 24

    WORKING TECHNIQUES • Work systematically to and fro across the area, WARNING! Neither the operator of the clearing a width of around 4-5 m on each pass. This machine nor anyone else may attempt to exploits the full reach of the machine in both directions remove the cut material while the engine is and gives the operator a convenient and varied running or the cutting equipment is...

  • Page 25

    WORKING TECHNIQUES • To fell to the left, the bottom of the tree should be pushed to the right. Tilt the blade and bring it diagonally down to the right, exerting firm pressure. At the same time push the stem using the blade guard. Cut with the area of the blade between 3 o’clock and 5 o’clock.

  • Page 26: Stroke, Mm

    WORKING TECHNIQUES Grass clearing using a grass blade • The cord can easily remove grass and weeds up against walls, fences, trees and borders. However it can also damage sensitive bark on trees and bushes, and damage fence posts. • Reduce the risk of damaging plants by shortening the •...

  • Page 27: Maintenance

    MAINTENANCE Carburettor Proceed as follows: Run the machine at idle. Your Husqvarna product has been designed and Press the start throttle lock as described under the manufactured to specifications that reduce harmful heading Starting and stopping. emissions. If the start throttle speed is too low (below 4000 rpm),...

  • Page 28: Cooling System

    MAINTENANCE Cooling system Check air filter (345FR, 545RX, 545RXT) (paper filter) • Set the choke control in the choke position. • Remove the air filter cover and take out the filter. To achieve correct operating temperature, the machine must be equipped with a cooling system.

  • Page 29: Bevel Gear

    Running problems can occur when using the machine in should check that the bevel gear is filled three-quarters the cold and snowy conditions caused by: full with grease. Use HUSQVARNA special grease. • Too low engine temperature. The grease in the bevel gear does not normally need to •...

  • Page 30

    MAINTENANCE Lubrication of wire (545FXT) NOTE! The wire is pre-lubricated and does not need to be lubricated again until required. • Remove the protective cover. • Unscrew the cylinder cover and make sure the rubber bellows on the wire has not been expanded too much. •...

  • Page 31: Electrode Gap

    MAINTENANCE Troubleshooting schedule Starting failure Check Possible Cause Action Set the stop switch to the start Stop button Stop position position. Adjust or replace the pawls. Clean around the pawls. Pawls Binding pawls Contact an authorised service workshop. Fuel tank Incorrect fuel type Drain it and use correct fuel.

  • Page 32: Maintenance Schedule

    MAINTENANCE Maintenance schedule The following is a list of the maintenance steps that must be performed on the machine. Most of the items are described in the Maintenance section. The user must only carry out the maintenance and service work described in this Operator's Manual.

  • Page 33: Technical Data

    TECHNICAL DATA Technical data 345FR 545RX 545RXT Engine Cylinder displacement, cm 45,7 45,7 45,7 Cylinder bore, mm Stroke, mm Idle speed, rpm 2700 2700 2700 Recommended max. speed, rpm 12200 12200 12200 Speed of output shaft, rpm 8800 8800 8800 Max.

  • Page 34: Equipped With Trimmer Head (original), Left/right

    TECHNICAL DATA 545FX 545FXT Engine Cylinder displacement, cm 45,7 45,7 Cylinder bore, mm Stroke, mm Idle speed, rpm 2700 2700 Recommended max. speed, rpm 13000 13000 Speed of output shaft, rpm 10100 10100 Max. engine output, acc. to ISO 8893, kW/ rpm 2,2/9000 2,2/9000 Catalytic converter muffler...

  • Page 35

    TECHNICAL DATA 545RX, 545RXT Approved accessories Type Cutting attachment guard, Art. no. Centre hole in blades/cutters, Ø 25,4 Output shaft thread M12 Multi 255-3 (Ø 255 3 teeth) 537 28 85-01 Grass blade/grass cutter Multi 275-4 (Ø 275 4 teeth) 537 28 85-01 Multi 300-3 (Ø...

  • Page 36: Ec Declaration Of Conformity

    We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the brush cutters Husqvarna 345FR, 545FX/FXT, 545RX and 545RXT with serial numbers dating from 2016 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE: - of May 17, 2006 ”relating to machinery”...

  • Page 39

    Auto 55 >1,1 Kw <1,1 Kw 2,7 mm - 9,0 m 3,0 mm - 7,5 m 3,3 mm - 6,0 m 15 cm 6" 15 cm 6" 15 cm 15 cm 6" 6"...

  • Page 40

    T45, T45x 10 m 10 cm 4" 4,3 m 15 cm "Clic" 6"...

  • Page 42

    Original instructions 1157484-26 ´®z+YPJ¶6[¨ ´®z+YPJ¶6[¨ 2016-03-03...

This manual also for:

545fxt545rx545fx545rxt

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